Slack-pulling skidding device.



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SLAOK PULLING SKIDDING DEVICE.

APPLIGATION FILED J N. o

A, 17 19.7 zsHBETs-SHBET 1.

` ATENTED 11111.14, 1908. J. A. HAUSPELDER. l

SLACK PULLING SKIDDING DEVICE.

APPLICATION FILED JAN. 17, 1907. 2 SHEETSEEBT 2.

JOSEPH A. HAUSFELDER, OF LOS ANGELES, CALIFORNIA.

SLACK-PULLING SKIDDING DEVICE.

Specification of Letters Fatent.

Application led January 17, 1907. Serial No. 352.843.

Patented Jan. 14, 1908.

To all whom 'Lt may concern:

Be it known that I, JOSEPH A. HAUS- FELDER, a citizen of the UnitedStates,l residing at Los Angeles, in the county of Los Angeles and Stateof California, have invented new and useful Improvements in Slack-Pulling Skidding Devices, of which the following is a s eciiication.

It is one of the objects of my invention to provide a device which willautomatically pull its own slack. To provide a device which can be runfor a considerable distance into the neighboring territory for theurpose of logging. To provide adevice W ch will pick u logs or othermaterial at a considerable istance from the carriage. To

rovide a devicewhich is lighter and therefore easier to handle than thedevices now in use. To provide a device which will always give the samepulling power on the hooking ro e. fig, accomplish these objects bymeans of the device described herein and shown in the accompanyingdrawings, in which Figure 1.- is a side elevation of my improved slackpulling skidding carriage. Fig. 2.- is a vertical longitudinal sectionon the line 2-2 of Fig. 3 looking in the direction indicated by thearrows. Fig. 3.- is a front elevation. Fig. 4.- is a longitudinalsection of the hooking sheave. Fig. 5.- is a diagrammatic view of thecarriage and its operative mechanism. n

5 designates the frame which is preferably built up of steel angles andchannels. Riveted to and extending ybelow frame 5 are side plates 6which carry bearings 7 for pin 8. On in 8 is mounted a double drum 9divided by ange 1() into two compartments 11 and 12. Compartment 11 isnarrower in width than com artment 12 and is designed to receive ca le13, known as the slack pulling cable. Compartment 12 is grooved toreceive the skidding cable 14 which is of about twice the diameter ofthe slack pulling cable. Mounted above drum 9 on frame 5 is an auxiliarydrum 15 which is of smaller diameter than the main drum. Mounted to therear of drum 9 on the frame .is the hooking sheave 16, the constructionof which is more fully shown in Fig. 4. The sheave is mounted in frame17 which frame has trunnions 18 and 19. Bearings 20 are provided aroundthese trunnions and are riveted or secured in any suitable manner to theframe 5. Trunm'on 19 is hollow, having a bore 21 which is preferablyabout twice the diameter of the skidding cable. The skidding cable firstcomes in contact with the drum 9 at the point 22, passing around thedrum until it comes to a point 23 where it leaves the drum to pass ontoandaround drum 15. On coming off of drum 15 it passes into a groove ondrum9 adjacent to the one into which it first passed and passes arounddrum 9 in that groove. It will be seen that as many grooves may beprovided in drum 9 as is necessary and practicable and that the skiddingcable 14 may be passed around drum 9 and over drum 15 until all thegrooves in drum 9 are occupied. When this is done cable 14 is led offfrom drum 9 rearwardly as at 24 to sheave 16, passing through bore 21 intrunnion 19 before passing onto the sheave. Beyond the sheave, cable 14is provided with hooks 25 for the purpose of grasping the logs or othermaterial to be Skidded. By this construction of the hooking sheave itwill be seen that the cableleaves the sheave to pass onto the main drumat, or very close to, the center on which the sheave swings, so thathowever much the cableA may be pulled off to one side, it will always bein the same position on passing onto the main-drum.

Frame 5 is provided with traveling sheaves 26 mounted in the top of saidframe and adapted to receive main cable 27 which is designed to carrythe carriage and any load which the carriage may pick up. Cable 27 isusually suspended on two trees, 28, known as head spar, and 29, known asa tail tree. These trees are guyed in any suitable manner as by cables30 and 31, which cables as at 31 may be merely a continuation .of themain cable which has been wrapped around the tree. On the head spar arehung three blocks, 32, 33, and 34 through which pass repctively the outhaul cable 35, the skidg cable 14, and the slack pulling cable 13. Outhaul cable 35 is supported by sheaves 36 which are attached to the sideof the frame 5 as shown in Fi s. 1 and 3, from thence it passes to thetail tree, through block 37 attached to the tail tree, and back to thecarriage where it is fastened to the rear end of frame 5. Guards 38 areprovided for the traveling sheaves 26 for the purpose of keeping thesheaves on the main cable 27 in case of any tendency of the sheaves toraise off the cable. A guard 39 is provided between the two compartmentsin drum 9 for the purpose of preventing slack pulling cable 13 fromrunning over into compartment V12 -of When it is desired to send thecarriage from the head spar toward the tail tree, which is i usuallysituated some thousand feet or more y from thehead spar, power is aplied to drum 40 vof hoist 41 and out haul cabe 35 is pulled in, therebypulling the carriage out towards the tail tree along the main cable.When the carriage has arrived at the locality where the logging is to bedone drum 40 is held by means of a brake .or other suitablemeans,thereby preventing the car-riage from returning toward the head spar..Cab e 14 is then paid out from drum 42 on the hoist until enough freeline has been 0btaned below hooking sheave 16 to reach lto the groundand to any particular log which it is desired to pick up. At the sametime that cable 14 is paid out from drum 42, cable 13 is wound up ondrum 43, thereby revolving drum 9 on the carriage to pull cable 14toward the carriage, cable 1.3 being wound around dium -9 in an oppositedirection to which cable 14 is wound around the same drum. When asufficient length of the skidding cable has been pulled down from thecarriage, hooks 25 are attached to .any designated log or logs and drum42 on the hoist is operated to pull cable 14 in, drum 43 being foperated at the same time to pay out .on cable 18. When the log korother object has been hauled in suiiiciently close to the carriage .outhaul =cable35 is paid .out and the skidding cable and slack pullingcable are both wound in, thereby causing Vthe carriage to move along themain `cable Atowards the head spar. When the log has reached thevicinity of the head spar 1t is released from the hook 25 and may thenbe loaded onto railway cars for transportation .or taken directly to asaw mill.

It will be seen from this construction that I have provided .a carriagewhich does not have to carry any extensive amount of cable lamount isnot cumbersome.

with the exception of the slack pulling cable which is comparativelysmall in diameter and weight, further, that I have provided anarrangement with which it is possible to cover a 'large amount ofterritory laterally from the main cable for the reason that a largeamount of skidding cable may be aid out from the .carriage as theskdding cab e is carried on the hoist drum Where a large Also that Ihave provided :an arrangement whereby the various' cables are kept inplace on the various sheaves and 4drums .even though the pull on thecarriage `is 0E to oneside ofthe main cable. Y

Having described my invention, what I claim is.:-

1. In combination, fa traveling carriage, two travelingdrum parts onsaid carriage, an out-haul `rope .connected .to said carriage, twostationary drums, a rope connecting each of said stationary drumslwithone of said traveling-imm parts to oper-ate inversely, one of saidropes being extended beyond its travelingfdrum Jpart for connection with.an object to be hauled, and ,a stationary .drum

connected to said out-haul rope.

f2. In combmation, a traveling carriage, two travelin -drum parts onlsaid carriage., a supplementa -drum mounted in said vcarriage inalinement with Aone of said ydrum parts; two stationary drums, ,a yropecon necting each .of .said -stationary drums with.

carriage for connectionwith an object to be haule In witness that I-.claim the foregoing I have hereunto .subscribed myname this 4th rday ofJanuary, 1907.

JOE. A. HAUSFELDER. Witnesses:

JNO.. II. BARKELEW, EnMUND A. STRAUSE,

